[ 3217.558449][T23670] gre: GRE over IPv4 demultiplexer driver
[ 3219.234709][T23693] ip_gre: GRE over IPv4 tunneling driver
[ 3268.476332][T24272] ip6_gre: GRE over IPv6 tunneling driver
[ 3302.145189][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3307.010077][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3311.234068][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3316.162117][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!